Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
Biru observes an average high-temperature of a still warm 28.5°C (83.3°F) in September, barely different from 27.6°C (81.7°F) in August. Biru throughout September, records an average low-temperature of 19.5°C (67.1°F).Heat index
The average heat index in September is evaluated at a hot 34°C (93.2°F). Ensure extra safety measures, heat exhaustion and heat cramps are likely. Continuous activity might result in heatstroke.Realize that the values for the heat index are set for shaded places and light winds. Direct sunlight has the potential to heighten heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'feels like', marries air temperature and humidity to produce a value illustrating perceived warmth. The individual's impression of temperature can be shaped by additional aspects such as metabolic variations, physical activity, and clothing. Direct exposure to sun rays can potentially augment the heat sensation, elevating the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to children. Children often do not understand the need to rest and hydrate. Thirst is a late manifestation of dehydration - therefore, it is essential to stay hydrated, particularly during prolonged physical activities.
Humidity
The months with the lowest humidity in Biru are September and October, with an average relative humidity of 81%.Rainfall
In Biru, in September, during 19.5 rainfall days, 50mm (1.97") of precipitation is typically accumulated. Throughout the year, in Biru, there are 304.3 rainfall days, and 2093mm (82.4") of precipitation is accumulated.Daylight
In September, the average length of the day is 12h and 4min.On the first day of the month, sunrise is at 05:49 and sunset at 17:48. On the last day of September, in Biru, sunrise is at 05:34 and sunset at 17:43 WIB.
Sunshine
In September, the average sunshine in Biru is 8.5h.UV index
January through December, with an average maximum UV index of 6, are months with the highest UV index in Biru. January through December, with an average maximum UV index of 6, are months with the lowest UV index in Biru. A UV Index value of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV rays for average individuals.Note: In September, an average UV index of 6 transforms into the following instructions:
Resist extreme sun exposure. Guarding against solar damage is essential. Stay out of direct sunlight between 10 a.m. and 4 p.m., when UV radiation is most intense, and remember that not all shade structures provide complete protection. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot does it get in Biru in September?
What are the least humid months in Biru?
What is the average humidity in September in Biru?
How much does it rain in Biru in September?
How many hours of daylight does Biru have in September?
When are sunrise and sunset in September in Biru?
How many hours of sunshine does Biru have in September?
When is the highest UV index in Biru?
When is the lowest UV index in Biru?
What is the UV index intensity in September in Biru?
Average temperature in September
Biru, Indonesia
- Average high temperature in September: 28.5°C
The warmest month (with the highest average high temperature) is October (28.9°C).
The month with the lowest average high temperature is July (27°C).
- Average low temperature in September: 19.5°C
The months with the highest average low temperature are January and December (21.8°C).
The coldest month (with the lowest average low temperature) is August (19.2°C).
Average pressure in September
Biru, Indonesia
- Average pressure in September: 1011.7mbar
The month with the highest atmospheric pressure is September (1011.7mbar).
The month with the lowest atmospheric pressure is December (1009.4mbar).
Average wind speed in September
Biru, Indonesia
- Average wind speed in September: 6.7km/h
The windiest month (with the highest average wind speed) is September (6.7km/h).
The calmest month (with the lowest average wind speed) is February (4.1km/h).
Average humidity in September
Biru, Indonesia
- Average humidity in September: 81%
The months with the highest relative humidity are May, June and July (86%).
The months with the lowest relative humidity are September and October (81%).
Average rainfall in September
Biru, Indonesia
- Average rainfall in September: 50mm
The wettest month (with the highest rainfall) is March (310mm).
The driest month (with the least rainfall) is August (30mm).
Average rainfall days in September
Biru, Indonesia
- Average rainfall days in September: 19.5 days
The month with the highest number of rainy days is March (30.6 days).
The month with the least rainy days is August (16.4 days).
Average daylight in September /
Average sunshine in September
Biru, Indonesia
- Average daylight in September: 12h and 1min
The month with the longest days is December (Average daylight: 12h and 30min).
The month with the shortest days is June (Average daylight: 11h and 42min).
- Average sunshine in September: 8h and 3min
The month with the most sunshine is October (Average sunshine: 8h and 48min).
The month with the least sunshine is July (Average sunshine: 6h and 18min).
Average sunshine days in September
Biru, Indonesia
- Average sunshine days in September: 7.3 days
The month with the most sunshine days is August (10.8 days).
The months with the least sunshine days are February and March (0.2 days).
Average UV index in September
Biru, Indonesia
- Average UV index in September: 6
The months with the highest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 6).
The months with the lowest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 6).
Average cloud cover in September
Biru, Indonesia
- Average cloud cover in September: 44
The months with the most cloud cover are January and February (Cloud cover 52).
The month with the least cloud cover is October (Cloud cover 42).
Average visibility in September
Biru, Indonesia
- Average visibility in September: 8km
The months with the highest visibility are January and December (9km).
The month with the lowest visibility is July (7km).
Biru, Indonesia
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